How much does a 1.00 to 1.49ct H SI1 natural emerald diamond cost?

As of October 2026, 1.00 to 1.49ct H SI1 natural emerald diamonds typically cost $2,252 AUD to $6,936 AUD, with a median price of $3,637 AUD. There are currently 256 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI1 emerald diamond?

About 39% of these diamonds are available at multiple retailers, with an average price spread of 53%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H SI1 Natural Emerald

Quick answer

As of October 2026, there are 256 natural emerald diamonds with H colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,252 AUD to $6,936 AUD, with a median of $3,637 AUD. At least 62 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 53%. Half of all listings fall between $2,559 AUD and $4,206 AUD per carat. The same specification in lab grown form lists at a median of about $1,090 AUD per carat. Over the last 30 days the median price moved -2.3% and the number of listings moved +14.7%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Emerald natural stones in the index: 2,278 USD per carat, +6.2% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

256

Lowest Price

$1,494 AUD

Highest Price

$11,437 AUD

Average Price

$4,115 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

38.6%

Price Spread

53.1%

30-Day Price Trend

-2.3%

30-Day Supply Change

+14.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,180/ct

10th Percentile

$1,539

Median

$2,180

90th Percentile

$4,152

Score Distribution

691 diamonds scored across 4 quality tiers

Excellent

98 (14.2%)

Very Good

156 (22.6%)

Good

126 (18.2%)

Average

311 (45.0%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H SI2SI2 inclusions are not visible without magnification

Save 18%

Lab-Grown H SI1Same specifications, lab-grown origin

Save 50%

Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1